Facilities must classify operating rooms as wet procedure locations unless a governing body risk assessment determines otherwise. Operating rooms designated as wet locations must be protected by isolated power systems or ground-fault circuit interrupters. A written record of any risk assessment must be maintained and made available for inspection.
View official sourceK913 Electrical Systems – Wet Procedure Locations Operating rooms are considered wet procedure locations, unless otherwise determined by a risk assessment conducted by the facility governing body. Operating rooms defined as wet locations are protected by either isolated power or ground-fault circuit interrupters. A written record of the risk assessment is maintained and available for inspection. 6.3.2.2.8.4, 6.3.2.2.8.7, 6.4.4.2